73-87 Chevy _ GMC Trucks > Engine/Drivetrain

Lose the Lockup on a TH350??

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Ziptar:
My 85 2wd has a TH350 Lockup Trans in it. The parts clerk says it's an 84 and a half but, what ever.

I am looking for a cheap "rebuild" trans for as the current one leaks and slips, ALLOT!

One shop I called yesterday said he had a "slighty used" TH350 short tail on the shelf for $100 with a 90 day warranty, He said if I brought it down he'd put my long tail shaft on it. Problem is that it's an early non-lockup trans.

I don't really need a lockup as this truck is mostly for dump runs. So my question is, What kind of installation hassles would I be looking at goeeting rid of the lockup?? or none at all, just leave the wiring for it dangling??

Blazin:
He is going to rip both transmisions all apart to swap in your longer tail shaft? If its going to be torn down that far wy not rebuild it, and if he rips it all apart it could cause problems in the new one, and you won't know until you do all the work of installing it.
I would loook for the correct one save allot of hassle.

roundedline:
Ditto!  I personally wouldn't let them swap parts off of yours onto a rebuilt one.  I would want the rebuilt one to have a the right pieces so it would be a direct replacement.  

As for the lockup vs non, you can do without it.  It will drop your RPM's about 400rpms when it locks, so you would loose that if you swapped.  You can swap a non locking TH350 in its place though.  Dimensionally they are exactly the same. Chris Lucas
www.73-87chevytrucks.com
www.captkaoscustoms.com
Project Su
Jimmy 2WD Project

Ziptar:
Thanks for the input guys, good point on tearing it apart to swap the tailshaft.


I got a price on a rebuilt from advanced auto parts they get $595 for them. little more than I want to spend on an $800 truck, that I just use on weekends.

I have a call into another shop, he is looking to see what he has, he said he will also give me a price on "refreshing" my tranny.

roundedline:
$585!  EEK!  That it high!  I would think more along $250 for a TH350, at least around here.  That price would get you a 700R4. Chris Lucas
www.73-87chevytrucks.com
www.captkaoscustoms.com
Project Su
Jimmy 2WD Project

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